200721280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 506050560

約数和(自身を除く): 305329280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 124, 128, 134, 151, 155, 160, 248, 268, 302, 310, 320, 335, 496, 536, 604, 620, 640, 670, 755, 992, 1072, 1208, 1240, 1340, 1510, 1984, 2077, 2144, 2416, 2480, 2680, 3020, 3968, 4154, 4288, 4681, 4832, 4960, 5360, 6040, 8308, 8576, 9362, 9664, 9920, 10117, 10385, 10720, 12080, 16616, 18724, 19328, 19840, 20234, 20770, 21440, 23405, 24160, 33232, 37448, 40468, 41540, 42880, 46810, 48320, 50585, 66464, 74896, 80936, 83080, 93620, 96640, 101170, 132928, 149792, 161872, 166160, 187240, 202340, 265856, 299584, 313627, 323744, 332320, 374480, 404680, 599168, 627254, 647488, 664640, 748960, 809360, 1254508, 1294976, 1329280, 1497920, 1568135, 1618720, 2509016, 2995840, 3136270, 3237440, 5018032, 6272540, 6474880, 10036064, 12545080, 20072128, 25090160, 40144256, 50180320, 100360640, 200721280]

約数ペア:

[(1, 200721280), (2, 100360640), (4, 50180320), (5, 40144256), (8, 25090160), (10, 20072128), (16, 12545080), (20, 10036064), (31, 6474880), (32, 6272540), (40, 5018032), (62, 3237440), (64, 3136270), (67, 2995840), (80, 2509016), (124, 1618720), (128, 1568135), (134, 1497920), (151, 1329280), (155, 1294976), (160, 1254508), (248, 809360), (268, 748960), (302, 664640), (310, 647488), (320, 627254), (335, 599168), (496, 404680), (536, 374480), (604, 332320), (620, 323744), (640, 313627), (670, 299584), (755, 265856), (992, 202340), (1072, 187240), (1208, 166160), (1240, 161872), (1340, 149792), (1510, 132928), (1984, 101170), (2077, 96640), (2144, 93620), (2416, 83080), (2480, 80936), (2680, 74896), (3020, 66464), (3968, 50585), (4154, 48320), (4288, 46810), (4681, 42880), (4832, 41540), (4960, 40468), (5360, 37448), (6040, 33232), (8308, 24160), (8576, 23405), (9362, 21440), (9664, 20770), (9920, 20234), (10117, 19840), (10385, 19328), (10720, 18724), (12080, 16616)]